{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["tool", "price", "payment method", "victim", "place", "attack pattern", "damage amount", "attacker"]}], "input": "Bossert called the attack in which victims received ransom demands to unlock their computers \" cowardly , costly and careless . \""}
{"ransom": [{"tool": "NAN", "price": "NAN", "payment method": "NAN", "victim": "victims", "place": "NAN", "attack pattern": "NAN", "damage amount": "NAN", "attacker": "NAN"}]}